/*********************************************************************************
 *                                                                               *
 * The MIT License (MIT)                                                         *
 *                                                                               *
 * Copyright (c) 2015-2023 aoju.org and other contributors.                      *
 *                                                                               *
 * Permission is hereby granted, free of charge, to any person obtaining a copy  *
 * of this software and associated documentation files (the "Software"), to deal *
 * in the Software without restriction, including without limitation the rights  *
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell     *
 * copies of the Software, and to permit persons to whom the Software is         *
 * furnished to do so, subject to the following conditions:                      *
 *                                                                               *
 * The above copyright notice and this permission notice shall be included in    *
 * all copies or substantial portions of the Software.                           *
 *                                                                               *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    *
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      *
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   *
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        *
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, *
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN     *
 * THE SOFTWARE.                                                                 *
 *                                                                               *
 ********************************************************************************/
package org.aoju.bus.core.text.translate;

import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;

/**
 * 执行一个接一个的转换程序序列 执行结束时
 * 第一个转换器使用输入中的代码点
 *
 * @author Kimi Liu
 * @since Java 17+
 */
public class AggregateTranslator extends CharSequenceTranslator {

    /**
     * 转换器列表
     */
    private final List<CharSequenceTranslator> translators = new ArrayList<>();

    /**
     * 构造
     *
     * @param translators 转换器
     */
    public AggregateTranslator(final CharSequenceTranslator... translators) {
        if (null != translators) {
            for (final CharSequenceTranslator translator : translators) {
                if (null != translator) {
                    this.translators.add(translator);
                }
            }
        }
    }

    @Override
    public int translate(final CharSequence input, final int index, final Writer out) throws IOException {
        for (final CharSequenceTranslator translator : translators) {
            final int consumed = translator.translate(input, index, out);
            if (consumed != 0) {
                return consumed;
            }
        }
        return 0;
    }

}
